Self-driving technology could change the way we think of last-mile delivery vehicles, but human interaction will remain an important component of that last step. By Xavier Boucherat

The last mile challenge has long kept delivery companies awake at night: the final journey to an intended recipient remains has long been the most time-consuming and costly part of the shipping process, and is also a crucial part of the customer experience. In developed markets, quick and flexible delivery has become the norm, and players like Amazon are already rolling out same-day delivery options.